An oxide, X2​O3​ is oxidized to XO4^−​ by Cr 2​ O 7^2−​ in acid medium. The number of moles of X2​O3​ oxidized per mole of Cr2​O7^2−​ is

Answer key: 3/4

One gram of the acid C 6​ H 10​ O 4​ requires 0.768 g of KOH for complete neutralization. How many neutralizable hydrogen atoms are in this molecule?

Answer key : 3

3 g of an oxide of a metal is converted to chloride completely and it yields 5 g chloride. The equivalent weight of metal is:

Answer key : 33.32